System Board and Riser Board Reference Designators

 

 

 

 

 

 

 

 

 

Designator

Component (Continued)

 

 

 

 

 

P23

Header for front panel audio

 

P24

Header for front panel USB

 

P25

Internal USB connector 1

 

P26

Internal USB connector 2

 

P27

MultiBay header

 

 

 

 

 

P29

SCSI LED connector

 

P30

PCI extender slot (female)

 

P40

Blade PC graphics connector (outboard)

 

P41

Blade PC graphics connector (inboard)

 

P52

Second serial port

 

 

 

 

 

P54

Primary serial port

 

P55

Double stack serial port, Top = Serial B, Bottom = Serial A

 

P58

Riser edge connector (male-mates with J30)

 

P60

Primary Serial ATA (SATA) connector

 

P61

Second Serial ATA (SATA) connector

 

 

 

 

 

P62

Third Serial ATA (SATA) connector

 

P63

Fourth Serial ATA (SATA) connector

 

P64

VSFF expansion connector

 

P65

Graphics option connector

 

P66

Fifth Serial ATA (SATA) connector

 

 

 

 

 

P67

Sixth Serial ATA (SATA) connector

 

P68

Seventh Serial ATA (SATA) connector

 

P69

Eighth Serial ATA (SATA) connector

 

P70

Primary (CPU) fan header for fansink

 

P71

Secondary CPU fan header for fansink

 

 

 

 

 

P80

Primary Serial Attached SCSI (SAS) connector

 

P81

Second Serial Attached SCSI (SAS) connector

 

P82

Third Serial Attached SCSI (SAS) connector

 

P83

Fourth Serial Attached SCSI (SAS) connector

 

P84

Fifth Serial Attached (SAS) connector

 

 

 

 

 

P85

Sixth Serial Attached (SAS) connector

 

P86

Seventh Serial Attached (SAS) connector

 

P87

Eighth Serial Attached (SAS) connector

 

P101

Security board connector, system board

 

P106

Secondary speaker connector

 

 

 

 

 

P124

Hood lock header

 

P125

Hood sensor header

 

P126

Flying parallel port header

 

P150

Media reader header

 

P216

White box chassis fan header

 

SW2

Security hood switch on riser card

 

 

 

 

 

SW50

Clear CMOS switch/push button

 

U2

Single chip solution (combined northbridge/southbridge)

 

U3

North bridge

 

U4

South bridge

 

U5

Super I/O

 

 

 

 

 

Service Reference Guide, dx7300

433611-001

E–3